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Cheap flights from Washington, D.C. Dulles Intl Airport to Knock from $719

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Knock departing on 12/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Knock

Cheap round-trip flights

British Airways Logo
6:20 pm - 12:25 pmIAD-NOC
13h 05m1 stop
British Airways Logo
1:00 pm - 7:55 pmNOC-IAD
11h 55m1 stop
$719British Airways
Find Deal
Tue, Dec 2 - Tue, Dec 9
Multiple Airlines Logo
7:20 pm - 12:25 pmIAD-NOC
13h 05m1 stop
Multiple Airlines Logo
1:00 pm - 7:55 pmNOC-IAD
11h 55m1 stop
$755Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
6:05 pm - 12:25 pmIAD-NOC
14h 20m2 stops
Multiple Airlines Logo
1:00 pm - 7:55 pmNOC-IAD
11h 55m1 stop
$760Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
6:30 pm - 4:25 pmIAD-NOC
17h 55m3 stops
Multiple Airlines Logo
10:15 am - 8:26 pmNOC-IAD
39h 11m3 stops
$976Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
6:30 pm - 2:30 pmIAD-NOC
16h 00m2 stops
Multiple Airlines Logo
10:15 am - 8:26 pmNOC-IAD
39h 11m3 stops
$1,081Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
5:22 pm - 12:35 pmIAD-NOC
38h 13m2 stops
Multiple Airlines Logo
1:05 pm - 11:45 amNOC-IAD
27h 40m2 stops
$1,134Multiple Airlines
Find Deal
Mon, Oct 6 - Sat, Oct 11
Multiple Airlines Logo
10:20 am - 10:45 amIAD-NOC
19h 25m3 stops
Multiple Airlines Logo
8:55 am - 10:10 pmNOC-IAD
18h 15m2 stops
$1,168Multiple Airlines
Find Deal
Mon, Oct 6 - Sat, Oct 11
Aer Lingus Logo
5:50 pm - 12:35 pmIAD-NOC
13h 45m1 stop
Aer Lingus Logo
1:05 pm - 8:20 pmNOC-IAD
12h 15m1 stop
$1,200Aer Lingus
Find Deal
Mon, Oct 6 - Sat, Oct 11
British Airways Logo
8:25 pm - 12:35 pmIAD-NOC
35h 10m2 stops
British Airways Logo
1:05 pm - 8:20 pmNOC-IAD
12h 15m1 stop
$1,226British Airways
Find Deal
Mon, Oct 6 - Sat, Oct 11
British Airways Logo
2:18 pm - 12:25 pmIAD-NOC
42h 07m2 stops
British Airways Logo
1:00 pm - 11:07 pmNOC-IAD
39h 07m2 stops
$1,239British Airways
Find Deal
Thu, Oct 30 - Thu, Nov 6

British Airways flights from Washington, D.C. Dulles Intl Airport to Knock

Our best British Airways deals on Washington, D.C. Dulles Intl Airport to Knock flight tickets
British Airways
Dec 2
IAD6:20 pmWashington, D.C. Dulles Intl
13h 05m
1 stop
NOC12:25 pmKnock Intl
Dec 9
NOC1:00 pmKnock Intl
11h 55m
1 stop
IAD7:55 pmWashington, D.C. Dulles Intl
$719
Find similar
British Airways
Oct 6
IAD8:25 pmWashington, D.C. Dulles Intl
35h 10m
2 stops
NOC12:35 pmKnock Intl
Oct 11
NOC1:05 pmKnock Intl
12h 15m
1 stop
IAD8:20 pmWashington, D.C. Dulles Intl
$1,226
Find similar
British Airways
Oct 30
IAD2:18 pmWashington, D.C. Dulles Intl
42h 07m
2 stops
NOC12:25 pmKnock Intl
Nov 6
NOC1:00 pmKnock Intl
39h 07m
2 stops
IAD11:07 pmWashington, D.C. Dulles Intl
$1,239
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 12/2

6:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Tue 12/9

1:00 pm-7:55 pm

1 stop11h 55m

$719

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 10/30

7:20 pm-12:25 pm

1 stop13h 05m

Knock Intl

Thu 11/6

1:00 pm-7:55 pm

1 stop11h 55m

$755

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 10/30

6:05 pm-12:25 pm

2 stops14h 20m

Knock Intl

Thu 11/6

1:00 pm-7:55 pm

1 stop11h 55m

$760

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 10/30

6:30 pm-4:25 pm

3 stops17h 55m

Knock Intl

Thu 11/6

10:15 am-8:26 pm

3 stops39h 11m

$976

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 10/30

6:30 pm-2:30 pm

2 stops16h 00m

Knock Intl

Thu 11/6

10:15 am-8:26 pm

3 stops39h 11m

$1,081

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 10/6

5:22 pm-12:35 pm

2 stops38h 13m

Knock Intl

Sat 10/11

1:05 pm-11:45 am

2 stops27h 40m

$1,134

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 10/6

10:20 am-10:45 am

3 stops19h 25m

Knock Intl

Sat 10/11

8:55 am-10:10 pm

2 stops18h 15m

$1,168

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 10/6

5:50 pm-12:35 pm

1 stop13h 45m

Knock Intl

Sat 10/11

1:05 pm-8:20 pm

1 stop12h 15m

$1,200

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Mon 10/6

8:25 pm-12:35 pm

2 stops35h 10m

Knock Intl

Sat 10/11

1:05 pm-8:20 pm

1 stop12h 15m

$1,226

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 10/30

2:18 pm-12:25 pm

2 stops42h 07m

Knock Intl

Thu 11/6

1:00 pm-11:07 pm

2 stops39h 07m

$1,239

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest time of day to depart on your flight to Knock?

According to our data, the cheapest time of day to fly to Knock is in the afternoon. momondo users have found flights departing from Washington, D.C. Dulles Intl Airport to Knock in the afternoon for as low as $952. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the evening because they tend to be around $1,247. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Washington, D.C. Dulles Intl Airport to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Knock (IAD to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Knock

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Knock. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Knock.
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  • How far is Washington, D.C. Dulles Intl to Knock Intl by plane?

    The distance between Washington, D.C. Dulles Intl and Knock Intl is about 3280.8 mi. 13h 05m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Knock Intl Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Knock Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The required travel and health documents for your Knock Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Knock Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Newport
Carrick-on-Shannon

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Knock flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Knock.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Washington, D.C. to Knock now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Knock and let you know when they change.

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